package comprasdiretas.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import comprasdiretas.entity.UsuarioEntity;

/**
 * Servlet Filter implementation class FiltroAutorizacao
 */
public class FiltroAutorizacao implements Filter {

    /**
     * Default constructor. 
     */
    public FiltroAutorizacao() {
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see Filter#destroy()
	 */
	public void destroy() {
		// TODO Auto-generated method stub
	}

	/**
	 * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
	 */
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpSession session = ((HttpServletRequest)request).getSession();
		UsuarioEntity logado = (UsuarioEntity) session.getAttribute("logado");
		if (logado==null) {
			//RequestDispatcher dispatcher = ((HttpServletRequest)request).getRequestDispatcher("Login.jsp");
			//dispatcher.forward(request, response);
			((HttpServletResponse)response).sendRedirect("/ComprasDiretasWeb/faces/Login.jsp");
		}else {
			chain.doFilter(request, response);	
		}
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}
